A method of installing an energy storage system, an energy storage assembly for forming an energy storage system, and an energy storage system

Abstract

This invention discloses an installation method for an energy storage system, an energy storage component for forming the energy storage system, and an energy storage system. In this application, each energy storage cabinet has the same structure, and the control box is set up separately. After the energy storage cabinet reaches the usage conditions, the control box is placed in any energy storage cabinet and connected to the internal connection port of that energy storage cabinet. Other energy storage cabinets only need to be connected to this energy storage cabinet, allowing the controller to control multiple energy storage cabinets simultaneously. Wiring errors are less likely, and the fiber splicing operation of the control box is convenient.

Description

Technical Field

[0001] This invention relates to the field of energy storage technology, and more specifically to an installation method for an energy storage system, an energy storage component for forming an energy storage system, and an energy storage system. Background Technology

[0002] In practical applications, energy storage systems typically consist of multiple energy storage cabinets. Since the power output of a single cabinet is limited, multiple cabinets often work together to supply power. These cabinets are controlled by a single controller. In practice, each cabinet has a basically identical structure, with a communication connection terminal outside the distribution cabinet. The controller is installed inside the distribution cabinet of one of the energy storage cabinets and connects to multiple communication terminals to control the output power of all cabinets. Therefore, when the energy storage cabinets arrive at their destination, mispairing can easily occur because some cabinets are equipped with controllers while others are not. This can lead to incorrect pairing, where cabinets with controllers are grouped together, and those without controllers are grouped together, affecting power supply. The controller also serves as the external communication interface for the energy storage cabinet. The entire energy storage cabinet uses Ethernet communication. When the controller needs to communicate with the outside via fiber optics, the distribution cabinet will be equipped with a fiber optic fusion splice box and a fiber optic switch. The controller communicates with the outside through the fiber optic switch. In this case, the distribution cabinet needs to be opened, the fiber optic fusion splice box needs to be removed, and the fiber optic switch needs to be connected after the fusion splice is completed. This process can easily tangle the cables inside the distribution cabinet, making operation inconvenient. Summary of the Invention

[0003] The purpose of this invention is to overcome the aforementioned defects or problems in the prior art and to provide an installation method for an energy storage system, an energy storage component for forming an energy storage system, and an energy storage system, which makes each energy storage cabinet uniform, makes it less likely to make incorrect wiring when the control box controls multiple energy storage cabinets at the same time, and facilitates fiber splicing.

[0004] To achieve the above objectives, the present invention and its preferred embodiments employ the following technical solutions, but the embodiments are not limited to the following solutions:

[0005] Technical Solution 1: An installation method for an energy storage system. Before installation, each energy storage cabinet in the energy storage system is provided with a housing space for accommodating a control box, an internal connection port for connecting to the control box, and an external connection port for connecting to other energy storage cabinets. The control box is provided with a controller suitable for connecting to the internal connection port, an optical fiber connector suitable for establishing communication between the controller and an external optical fiber, and a housing suitable for accommodating the controller and the optical fiber connector. The installation method includes: establishing a connection between the optical fiber connector and the external optical fiber through fiber fusion splicing; placing the optical fiber connector into the housing of the control box and connecting the controller to the optical fiber connector; placing the control box into the housing space of any one of the energy storage cabinets and connecting the control box to the internal connection port of that energy storage cabinet; and connecting the energy storage cabinet to other energy storage cabinets through the external connection port so that the controller can control the other energy storage cabinets.

[0006] Based on technical solution one, there is also technical solution two. In technical solution two, the fiber optic connector includes a fusion splice box and a fiber optic switch. The step of establishing a connection between the fiber optic connector and the external fiber optic cable through fusion splicing specifically includes: establishing a connection between the fusion splice box and the external fiber optic cable through fusion splicing. The step of placing the fiber optic connector into the housing of the control box and connecting the controller to the fiber optic connector specifically includes: first placing the fiber optic switch into the housing of the control box and connecting the controller to the fiber optic switch, and then placing the fusion splice box with the fused fiber into the housing of the control box and connecting it to the fiber optic switch.

[0007] Based on technical solution two, there is also technical solution three. In technical solution three, the fiber optic switch is provided with a plug-in port that connects to the fusion splice box; both the internal connection port and the external connection port are located within the accommodating space.

[0008] Based on technical solution three, there is also technical solution four. In technical solution four, the external connection port of the energy storage cabinet containing the control box is connected to the maximum number of external connection ports that are allowed to be connected, so that the energy storage cabinet and the energy storage cabinet connected to the energy storage cabinet form an energy storage component; the installation method also includes the step of forming multiple energy storage components.

[0009] Technical Solution 5: The present invention also provides an energy storage component for forming an energy storage system, including at least two energy storage cabinets, each energy storage cabinet having a housing space, an internal connection port and an external connection port, the external connection port of each energy storage cabinet being configured to simultaneously connect to the external connection ports of the remaining energy storage cabinets; and a control box, which is housed in the housing space of any one of the energy storage cabinets and includes a controller adapted to connect to the internal connection port, an optical fiber connector adapted to establish communication between the controller and an external optical fiber, and a housing adapted to house the controller and the optical fiber connector.

[0010] Based on technical solution five, there is also technical solution six. In technical solution six, the fiber optic connector includes a fusion splice box and a fiber optic switch. The fusion splice box is detachably fixed to the housing and is adapted to communicate with external optical fibers through fusion splicing. The fiber optic switch is housed in the housing and fixed relative to the housing, and is adapted to establish a connection between the controller and the fusion splice box.

[0011] Based on technical solution six, there is also technical solution seven. In technical solution seven, the fiber optic switch is provided with a plug-in port that connects to the fusion splice box; both the internal connection port and the external connection port are located within the accommodating space.

[0012] Based on technical solution seven, technical solution eight is also provided. In technical solution eight, the control box further includes a connection terminal group suitable for establishing a controller and an internal connection port; the energy storage cabinet has an opening corresponding to the accommodating space along a first direction; the box body is provided with a first installation channel extending along the first direction and a second installation channel extending along the first direction along a second direction perpendicular to the first direction, and a receiving chamber is formed on one side of the first installation channel and the second installation channel along a third direction perpendicular to the first and second directions; the fiber optic switch is housed in the receiving chamber and away from the opening, and the plug-in port of the fiber optic switch faces the opening; the connection terminal group is embedded in the wall of the box body on the side of the receiving chamber near the internal connection port; the controller is plugged into the first installation channel along the first direction and locked to the box body, and its two ends along the first direction are respectively connected to the connection terminal group and the fiber optic switch; the fiber fusion splice box is suitable for being plugged into the second installation channel along the first direction and detachably fixed to the box body.

[0013] Based on technical solution eight, there is also technical solution nine. In technical solution nine, the end of the enclosure corresponding to the accommodating chamber near the opening is detachably equipped with a cover plate, and the cover plate has a cable hole along the first direction; the end of the controller near the opening is connected to the connection terminal group, and the end away from the opening is connected to the fiber optic switch; the end of the fusion splice box near the opening is suitable for connecting to the fiber optic switch, and the end away from the opening is suitable for connecting to an external fiber optic cable.

[0014] Technical Solution 10: The present invention also provides a power supply system, including an energy storage component as described in any one of Technical Solutions 5 to 9.

[0015] As can be seen from the above description of the present invention and its preferred embodiments, compared with the prior art, the technical solution of the present invention and its preferred embodiments have the following beneficial effects due to the adoption of the following technical means:

[0016] Through continuous observation, experimentation, and research, the applicant has determined that the technical problem of "incorrect energy storage cabinet pairing and inconvenient fiber optic splicing" in existing technical solutions stems from the lack of uniformity among energy storage cabinets and the location of the fiber optic connection and controller within the distribution cabinet. In the first technical solution and related embodiments, each energy storage cabinet has the same structure, and the control box is set up separately. Therefore, after the energy storage cabinets reach the usage conditions, the control box can be placed in any energy storage cabinet and connected to its internal connection port. Other energy storage cabinets only need to be connected to this control box, allowing the controller to simultaneously control multiple energy storage cabinets. Regarding the most inconvenient operation, fiber optic splicing, the separate control box allows the fiber optic connector to be placed inside the control box after splicing. Wiring is convenient after splicing, and the limited number of cables within the control box eliminates the problem of cable tangling. Therefore, this technical solution makes on-site installation more convenient for operators, especially as it avoids interference with the cables in the energy storage cabinets. It should be understood that in this embodiment, the internal connection port and the external connection port communicate with each other.

[0017] In the second technical solution and its preferred embodiment, the fiber optic connector includes a fusion splice box and a fiber optic switch. Therefore, during fiber splicing, the fusion splice box is connected to the external fiber optic cable. During installation, the fiber optic switch is placed inside the box, and the fusion splice box is placed inside the box after the fiber splicing is completed, making the operation convenient.

[0018] In the third technical solution and its preferred embodiment, the fiber optic switch is provided with a plug-in port for connecting to the fusion splice box, which facilitates the cable connection between the fusion splice tray and the fiber optic switch; both the internal connection port and the external connection port are located within the accommodating space, which facilitates the wiring between the internal connection port and the controller, and also makes the cables connecting to other energy storage cabinets more concentrated, more aesthetically pleasing, and easier to wire.

[0019] In the fourth technical solution and its preferred embodiment, the external connection port of the energy storage cabinet containing the control box is connected to the maximum number of external connection ports that are allowed to be accessed, so that the energy storage cabinet forms an energy storage component with other energy storage cabinets. In actual operation, the energy storage system can be a single energy storage component or multiple energy storage components, and the installation method of each energy storage component is the same.

[0020] The fifth technical solution has the same technical effect as the first technical solution.

[0021] The sixth technical solution has the same technical effect as the second technical solution.

[0022] The seventh technical solution has the same technical effect as the third technical solution.

[0023] In the eighth technical solution, the control box is equipped with a connection terminal group. Connecting the controller to the connection terminal group enables connection to the internal connection port. Therefore, before fiber optic splicing, the controller is already connected to the fiber optic switch and the connection terminal group; only the splice box is not connected to the external cables and the fiber optic switch. During installation, simply connect the external fiber to the splice box, then perform splicing. After splicing, connect the splice box to the fiber optic switch to enable communication between the control box and the external fiber optic cable. Therefore, installing the control box only requires connecting the internal connection port to the connection terminal group, making the entire wiring process convenient. Furthermore, the layout of the components within the control box results in shorter and more aesthetically pleasing cables. Additionally, the disassembly and installation of the splice box will not interfere with the cables of other components.

[0024] In the ninth technical solution, the cover plate is detachable to facilitate wiring of fiber optic switches and fusion splice boxes, and the cable passage hole facilitates the passage of cables.

[0025] The tenth technical solution has the same technical effect as any of the fifth to tenth technical solutions. Attached Figure Description

[0026] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments are briefly introduced. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the control box housed in the energy storage cabinet according to an embodiment of the present invention;

[0028] Figure 2 This is a schematic diagram of the control box concealing the controller, fiber optic box, and cover plate according to an embodiment of the present invention;

[0029] Figure 3 This is a schematic diagram of the hidden cover plate of the control box according to an embodiment of the present invention;

[0030] Figure 4 This is a schematic diagram of the control box according to an embodiment of the present invention;

[0031] Explanation of key figure labels:

[0032] Energy storage cabinet 10; housing space 11; internal connection port 12; external connection port 13; control box 20; enclosure 21; first installation channel 211; second installation channel 212; housing 213; through hole 214; cover plate 215; cable hole 216; controller 22; fiber optic fusion box 231; fiber optic switch 232; connection terminal block 24. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are preferred embodiments of the present invention and should not be considered as excluding other embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0034] Unless otherwise expressly defined, the use of terms such as "first," "second," or "third" in the claims, description, and accompanying drawings of this invention is for distinguishing different objects and not for describing a specific order.

[0035] Unless otherwise expressly defined, in the claims, description, and accompanying drawings of this invention, the use of directional terms such as "center," "lateral," "longitudinal," "horizontal," "vertical," "top," "bottom," "inner," "outer," "upper," "lower," "front," "rear," "left," "right," "clockwise," and "counterclockwise" to indicate orientation or positional relationships is based on the orientation and positional relationships shown in the accompanying drawings and is only for the convenience of describing the invention and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the specific scope of protection of this invention.

[0036] Unless otherwise expressly defined, the terms "fixed connection" or "fixed connection" used in the claims, description and drawings of this invention should be interpreted broadly to refer to any connection in which there is no displacement or relative rotation relationship between the two parties, including non-removable fixed connection, detachable fixed connection, integral connection and fixed connection by other means or components.

[0037] In the claims, description and accompanying drawings of this invention, the terms "comprising," "having," and variations thereof are used to mean "including but not limited to."

[0038] See Figure 1-4 The present invention discloses an energy storage component for forming an energy storage system, the energy storage component including at least two energy storage cabinets 10 and a control box 20.

[0039] Each energy storage cabinet 10 is provided with a accommodating space 11, an internal connection port 12, and an external connection port 13. The external connection port 13 of each energy storage cabinet 10 is configured to simultaneously connect to the external connection ports 13 of the remaining energy storage cabinets 10. For example, when there are 3 energy storage cabinets 10, one external connection port 13 allows connection to 2 other external connection ports. In practical applications, the energy storage cabinet 10 is presented in the form of a container. The length direction of the container is the first direction, the height direction is the second direction, and the width direction is the third direction. That is, the first direction, the second direction, and the third direction intersect each other. The accommodating space 11 is set with a movable door corresponding to the container. In this embodiment, the energy storage cabinet 10 has an opening along the first direction corresponding to the accommodating space 11. The internal connection port 12 and the external connection port 13 are both communication connection ports and are both located within the accommodating space 11. The internal connection port 12 and the external connection port 13 communicate with each other.

[0040] The control box 20 is used to realize fiber optic communication of the energy storage components and includes a box 21, a controller 22, a fiber optic connector and a connection terminal group 24.

[0041] The control box 20 is housed within the housing space 11 and includes a controller 22 adapted to connect to an internal connection port 12, an optical fiber connector adapted to establish communication between the controller 22 and an external optical fiber, a housing 21 adapted to house the controller 22 and the optical fiber connector, and a connection terminal block 24 adapted to establish a connection between the controller 22 and the internal connection port 12.

[0042] Specifically, the housing 21 is housed within the accommodating space 11, see [reference]. Figure 2 The enclosure 21 is provided with a first mounting channel 211 extending in the first direction and a second mounting channel 212 extending in the first direction. In this embodiment, both the first mounting channel 211 and the second mounting channel 212 are formed by guide rails. The housing 21 forms a receiving chamber 213 on one side of the first mounting channel 211 and the second mounting channel 212 along the third direction. See also Figure 4 The bottom wall of the receiving chamber 213 has a through hole 214 along the second direction, suitable for the passage of optical fibers. The housing 21 is detachably fitted with a cover plate 215 at the end of the receiving chamber 213 near the opening, and has a cable passage hole 216 along the first direction. In a specific implementation, the side of the housing 21 away from the receiving chamber 213 also has a receiving space for placing switching devices such as relays.

[0043] See Figure 3-4 The controller 22 is inserted into the first mounting channel 211 along the first direction and locked to the housing 21. Both ends of the controller along the first direction are provided with connection ports and are respectively connected to the connection terminal group 24 and the fiber optic switch 232. The end closer to the opening of the accommodating space 11 is defined as the front end and the end farther away from the opening is defined as the rear end.

[0044] The fiber optic connector includes a fusion splice box 231 and a fiber optic switch 232. The fusion splice box 231 is detachably fixed to the housing 21. It is inserted into the second mounting channel 212 along the first direction and can be locked in the housing 21. It can communicate with external optical fibers through fusion splicing. The fusion splice box 231 is prior art. It is a device for connecting optical cables and is used for fusion splicing and branching of optical fibers. The optical cable is introduced into the fusion splice box and fused, and finally encapsulated inside.

[0045] The fiber optic switch 232 is housed in the housing 213 and fixed relative to the enclosure 21. It is suitable for establishing a connection between the controller 22 and the fusion splice box 231. In this embodiment, the fiber optic switch 232 is located away from the opening and close to the rear end of the enclosure 21. The fiber optic switch 232 is provided with a plug-in port for connecting to the fusion splice box 231. The plug-in port is located facing the opening of the housing space 11, that is, facing the front end of the enclosure 21.

[0046] The connecting terminal group 24 is embedded in the bottom wall of the housing 21 corresponding to the receiving chamber 213. The portions of the connecting terminal group 24 located inside and outside the housing 21 both form plug-in ports. The connecting terminal group 24 and the through hole 214 can be positioned close to each other.

[0047] In the control box 20, the fiber optic splice box 231 is also locked to the box 21 before the fiber optic splice is performed. At this time, the fiber optic splice box 231 is not connected to the external optical fiber or the fiber optic switch 232, but the fiber optic switch 232 is connected to the controller 22, and the controller 22 is connected to the connection terminal group 24. Specifically, the fiber optic switch 232 is connected to the end of the controller 22 away from the opening (rear end), and the end of the controller 22 closer to the opening (front end) is connected to the connection terminal group 24 through the cable passing through the cable hole 216 of the cover plate 215.

[0048] When the fiber splicing of the fiber fusion box 231 is completed, the end of the fiber fusion box 231 closest to the opening (front end) is connected to the plug port of the fiber optic switch 232 through the cable passing through the cable hole 216 of the cover plate 215, and the end away from the opening (rear end) is connected to the external optical fiber.

[0049] When the control box 20 is placed within the accommodating space 11, see Figure 1 The control box 20 is located above the internal connection port 12, the housing 213 is close to the internal connection port 12, and the controller 22 is connected to the internal connection port 12 through the access connection terminal group 24.

[0050] The energy storage system includes at least one of the above-mentioned energy storage components.

[0051] In this embodiment, the energy storage system is installed as follows:

[0052] S1: The steps for establishing a connection between the fiber optic connector and the external fiber optic cable through fiber fusion splicing;

[0053] In this step, the connection between the fusion splice box 231 and the external optical fiber is mainly established by splicing. Specifically, the cover plate 215 and the fusion splice box 231 are disassembled, the external optical fiber is inserted from the rear end of the fusion splice box 231 through the through hole 214, and the fusion splice box 231 is spliced.

[0054] S2: The step of placing the fiber optic connector into the housing 21 of the control box 20 and connecting the controller 22 to the fiber optic connector;

[0055] Since the fiber optic switch 232 has been pre-fixed inside the housing 21 and connected to the controller 22, this step mainly involves the installation of the fusion splice box 231. Specifically, the fusion splice box 231 with spliced ​​fiber is inserted into the second installation channel 212 and locked onto the housing 21. The cable is plugged into the plug port of the fiber optic switch 232 and led out through the cable hole 216 to the front end of the fusion splice box 231. Then the cover plate 215 is locked. At this time, the external optical fiber is connected to the controller 22 through the fusion splice box 231 and the fiber optic switch 232, and the controller 22 is connected to the connection terminal group 24.

[0056] S3: The step of placing the control box 20 into the accommodating space 11 of any of the energy storage cabinets 10 and connecting the control box 20 to the internal connection port 12 of the energy storage cabinet 10.

[0057] The control box 20 is located above the internal connection port 12 and the housing 213 is close to the internal connection port 12. At this time, the internal connection port 12 and the connection terminal group 24 are connected by a cable.

[0058] S4: The step of connecting the energy storage cabinet 10 to other energy storage cabinets 10 through the external connection port 13 so that the controller 22 can control the other energy storage cabinets 10.

[0059] In this step, the external connection port 13 of the energy storage cabinet 10 containing the control box 20 is connected to the maximum number of external connection ports 13 that are allowed to be accessed, so that the energy storage cabinet 10 forms an energy storage component with other energy storage cabinets 10.

[0060] An energy storage system may include one energy storage component or multiple energy storage components. When an energy storage system includes multiple energy storage components, the installation method of the energy storage system also includes the step of forming multiple energy storage components. The installation method of each energy storage component is the same, and will not be described in detail here.

[0061] In this embodiment, each energy storage cabinet 10 has the same structure, and the control box 20 is set up separately. Therefore, after the energy storage cabinet 10 reaches the usage conditions, the control box 20 can be placed in any energy storage cabinet 10 and connected to the internal connection port 12 of that energy storage cabinet 10. Other energy storage cabinets 10 only need to be connected to this energy storage cabinet 10 to form an energy storage module. In the energy storage module, each controller 22 can control multiple energy storage cabinets 10 simultaneously. Among them, for the most inconvenient operation, fiber splicing, since the control box 20 is set up separately, it can be placed into the housing 21 of the control box 20 after the fiber splicing box is completed. The wiring is convenient after the fiber splicing is completed, and since there are few cables in the control box 20, there is no problem of easy cable tangling. Therefore, this technical solution makes on-site installation more convenient for operators, especially without interfering with the cables of the energy storage cabinet 10.

[0062] In this embodiment, the fiber optic switch 232 is provided with a plug-in port for connection to the fusion splice box 231, facilitating cable connection between the fusion splice tray and the fiber optic switch 232. Both the internal connection port 12 and the external connection port 13 are located within the accommodating space 11, which facilitates wiring between the internal connection port 12 and the controller 22, and also makes the cables connecting to other energy storage cabinets 10 more concentrated, aesthetically pleasing, and easier to wire. The control box 20 is provided with a connection terminal group 24. The controller 22 can be connected to the connection terminal group 24 to achieve connection with the internal connection port 12. During installation, simply pass the external optical fiber through the through hole 214 into the fusion splice box 231, then perform fusion splicing in the fusion box 231. After fusion splicing, connecting the fusion box 231 to the fiber optic switch 232 enables the control box 20 to communicate with the external optical fiber. When installing the control box 20, simply connect the internal connection port 12 to the connection terminal group 24. The entire wiring process is convenient. Furthermore, the layout of the components within the control box 20 results in shorter and more aesthetically pleasing cables.

[0063] The foregoing description of the specifications and embodiments is intended to explain the scope of protection of this invention, but does not constitute a limitation on the scope of protection of this invention. Modifications, equivalent substitutions, or other improvements to the embodiments of this invention or a portion thereof that can be obtained by those skilled in the art through logical analysis, reasoning, or limited experimentation, based on the teachings of this invention or the foregoing embodiments, in conjunction with common knowledge, general technical knowledge, and / or existing technology, should all be included within the scope of protection of this invention.

Claims

1. A method for installing an energy storage system, characterized in that, Before installation, each energy storage cabinet (10) of the energy storage system is provided with a housing space (11) for accommodating the control box (20), an internal connection port (12) for connecting to the control box (20), and an external connection port (13) for connecting to other energy storage cabinets (10); the control box (20) is provided with a controller (22) suitable for connecting to the internal connection port (12), an optical fiber connector suitable for establishing communication between the controller (22) and the external optical fiber, and a housing (21) suitable for accommodating the controller (22) and the optical fiber connector; the installation method includes: The steps for establishing a fiber optic connector connection with an external fiber optic cable via fiber fusion splicing; The steps are as follows: placing the fiber optic connector into the housing (21) of the control box (20) and connecting the controller (22) to the fiber optic connector; The steps of placing the control box (20) into the receiving space (11) of any of the energy storage cabinets (10) and connecting the control box (20) to the internal connection port (12) of the energy storage cabinet (10); and The steps of connecting the energy storage cabinet (10) to other energy storage cabinets (10) via an external connection port (13) so that the controller (22) can control the other energy storage cabinets (10).

2. The installation method of an energy storage system as described in claim 1, characterized in that, The fiber optic connector includes a fusion splice box (231) and a fiber optic switch (232): The steps of establishing a fiber optic connector connection with an external fiber optic cable via fiber fusion splicing specifically include: establishing a connection between the fiber optic splice box (231) and the external fiber optic cable via fiber fusion splicing; The steps of placing the fiber optic connector into the housing (21) of the control box (20) and connecting the controller (22) to the fiber optic connector specifically include: first placing the fiber optic switch (232) into the housing (21) of the control box (20) and connecting the controller (22) to the fiber optic switch (232); then placing the fiber optic splice box (231) after splicing the fiber into the housing (21) of the control box (20) and connecting it to the fiber optic switch (232).

3. The installation method of an energy storage system as described in claim 2, characterized in that, The fiber optic switch (232) is provided with a plug-in port for connection to the fusion splice box (231); the internal connection port (12) and the external connection port (13) are both located within the accommodating space (11).

4. The installation method of an energy storage system as described in claim 3, characterized in that, The external connection port (13) of the energy storage cabinet (10) containing the control box (20) is connected to the maximum number of external connection ports (13) that are allowed to be accessed, so that the energy storage cabinet (10) and the energy storage cabinet (10) connected to the energy storage cabinet (10) form an energy storage component; the installation method further includes the step of forming multiple energy storage components.

5. An energy storage component for forming an energy storage system, characterized in that, include: At least two energy storage cabinets (10), each energy storage cabinet (10) having a housing space (11), an internal connection port (12), and an external connection port (13), the external connection port (13) of each energy storage cabinet (10) being configured to simultaneously connect to the external connection ports (13) of the remaining energy storage cabinets (10); and The control box (20) is housed in the housing space (11) of any of the energy storage cabinets (10) and includes a controller (22) adapted to connect to an internal connection port (12), an optical fiber connector adapted to establish communication between the controller (22) and an external optical fiber, and a housing (21) adapted to house the controller (22) and the optical fiber connector.

6. An energy storage component for forming an energy storage system as described in claim 5, characterized in that, The fiber optic connector includes a fusion splice box (231) and a fiber optic switch (232); the fusion splice box (231) is detachably fixed to the housing (21) and is adapted to communicate with an external fiber optic cable via fusion splicing; the fiber optic switch (232) is housed in the housing (21) and fixed relative to the housing (21), and is adapted to establish a connection between the controller (22) and the fusion splice box (231).

7. An energy storage component for forming an energy storage system as described in claim 6, characterized in that, The fiber optic switch (232) is provided with a plug-in port for connection to the fusion splice box (231); the internal connection port (12) and the external connection port (13) are both located within the accommodating space (11).

8. An energy storage component for forming an energy storage system as described in claim 7, characterized in that, The control box (20) also includes a connection terminal block (24) suitable for establishing a controller (22) and an internal connection port (12); The energy storage cabinet (10) has an opening along the first direction corresponding to the accommodating space (11); The housing (21) is provided with a first installation channel (211) extending along the first direction and a second installation channel (212) extending along the first direction along a second direction perpendicular to the first direction, and a receiving chamber (213) is formed on one side of the first installation channel (211) and the second installation channel (212) along a third direction perpendicular to the first direction and the second direction. The fiber optic switch (232) is housed within a receiving chamber (213) and away from the opening, with the plug-in port of the fiber optic switch (232) facing the opening; The connection terminal group (24) is embedded in the wall of the housing (21) on the side of the receiving chamber (213) near the internal connection port (12); The controller (22) is inserted into the first mounting channel (211) along the first direction and locked to the housing (21). Its two ends along the first direction are respectively connected to the connection terminal group (24) and the fiber optic switch (232). The fiber fusion box (231) is adapted to be inserted into the second mounting channel (212) along the first direction and detachably fixed to the housing (21).

9. An energy storage component for forming an energy storage system as described in claim 8, characterized in that, The enclosure (21) has a cable hole (216) along the first direction at the end of the corresponding receiving chamber (213) near the opening and is detachably equipped with a cover plate (215); the controller (22) is connected to the connection terminal group (24) at the end near the opening and connected to the fiber optic switch (232) at the end away from the opening; the fiber optic fusion box (231) is adapted to be connected to the fiber optic switch (232) at the end near the opening and adapted to be connected to an external fiber optic cable at the end away from the opening.

10. An energy storage system, characterized in that, Includes the energy storage component as described in any one of claims 5-9.

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